Home / 20,569,109,202.76-28,383,101,121.12-11,535,008,209.32

Finding the Fourth Proportional to 20,569,109,202.76, 28,383,101,121.12 and 11,535,008,209.32

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Solution

The fourth proportional to 20,569,109,202.76, 28,383,101,121.12 and 11,535,008,209.32 is: 15,917,038,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569,109,202.76 : 28,383,101,121.12 = 11,535,008,209.32 : x
  2. Step 2: Convert to fraction form
    20,569,109,202.76/28,383,101,121.12 = 11,535,008,209.32/x
  3. Step 3: Cross multiply
    20,569,109,202.76x = 28,383,101,121.12 × 11,535,008,209.32
  4. Step 4: Simplify right side
    20,569,109,202.76x = 327,399,304,438,146,269,184
  5. Step 5: Solve for x
    x = 327,399,304,438,146,269,184/20,569,109,202.76
  6. Step 6: Final answer
    x = 15,917,038,565.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.